Trading

Position Size Calculator

Estimate share size based on account risk and stop distance.

This position size calculator helps traders keep risk consistent by linking account size, risk percentage, entry, and stop loss.

Free to use 4 inputs 3 related tools

Instant calculator

Position Size Calculator

This position size calculator helps traders keep risk consistent by linking account size, risk percentage, entry, and stop loss.

How to use

Quick steps

  1. Enter account size, risk per trade, entry price, stop price.
  2. Review the instant answer block and supporting calculations.
  3. Compare the result with related tools in the same category before making a decision.

Formula

How this calculator works

Position size = dollars at risk / risk per share

This stock-oriented estimate does not account for slippage, gaps, commissions, or partial fills.

FAQ

Common questions

How does the position size calculator work?

It uses Position size = dollars at risk / risk per share. Enter account size, risk per trade, entry price, and stop price to generate an instant estimate.

When should I use this position size calculator?

Estimate share size based on account risk and stop distance.

What should I keep in mind?

This stock-oriented estimate does not account for slippage, gaps, commissions, or partial fills.